Links:

CUNY Graduate Center   CUNY Math Departments

CUNY Geometry and Topology Seminar   Columbia Geometric Topology Seminar

SnapPea   SnapPy   Snap   KnotAtlas   CompuTop   Knotscape   Knot Invariants

Hyperbolic Knots 1   Hyperbolic Knots 2   Knots to a Mathematician (really nice)